Seymour Duncan DTAR Sadducer Steel MonoThis Sadducer is a passive under saddle transducer for acoustic guitar that uses six discrete piezo crystals, one for each string. The result is a high output pickup designed for even frequency response. Its exceptional for melody players, especially those who play over the entire fingerboard. But perhaps the biggest benefit is that, unlike other piezo pickups, the Sadducer is passive, and does not require a built in or off board preamp to boost and